docs: def is_platform_file(path):
      """
      Return True if the file is Mach-O
      """
      if not os.path.exists(path) or os.path.islink(path):
          return False
      # If the header is fat, we need to read into the first arch
      fileobj = open(path, 'rb')
      bytes = fileobj.read(MAGIC_LEN)
      if bytes == FAT_MAGIC_BYTES:
          # Read in the fat header
          fileobj.seek(0)
          header = mach_o.fat_header.from_fileobj(fileobj, _endian_='>')
          if header.nfat_arch < 1:
              return False
          # Read in the first fat arch header
          arch = mach_o.fat_arch.from_fileobj(fileobj, _endian_='>')
          fileobj.seek(arch.offset)
          # Read magic off the first header
          bytes = fileobj.read(MAGIC_LEN)
      fileobj.close()
      for magic in MAGIC:
          if bytes == magic:
              return True
      return False